Possible Reasons for High Rates of Hamstring Injury:

Timing and Coordination problems during a running sprint - specifically during the time the back leg is off the ground and pulled forward (to place on ground in front of you).


Running stride is too long (overstride), or the sway in the run is significant (causing more stress on the hamstring).


An Improperly healed hamstring injury will predispose you to another hamstring injury.


Lack of stiffness in the hamstring muscle will increase your chance of a strain when your feet are contacting the ground in a run. (inability to absorb enough shock)


Improper warm-up before exercise.


A slippery playing surface increase your odds of a hamstring strain due to slipping.


Certain Lower Back Issues may potentially cause weakened muscles; weak hamstring muscles are more prone to strain than stronger hamstring muscles.

 

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Progression of a Pulled Hamstring


A pulled hamstring is classified into 3 grades of hamstring strain severity:

Grade 1 (Minor) Hamstring Strains involve slightly pulled or excessively stretched muscles, or very small tears in your muscles. You will generally feel some specific point pain, tightness or mild cramping in your hamstring which will be a little uncomfortable, but will involve no swelling or no major loss of strength. These may diminish with activity, but will may return easily with further activity.

Hamstring complete/partial and tears, strains

Grade 2 (Moderate) Hamstring Strains are more painful and involve a partial tearing of the hamstring fibers in your muscles, tendons, or at the tendon attachment to your bone. You will generally experience some pain that radiates down your leg during activity, while bending your knee against resistance, or when you touch your hamstring. Swelling, stiffness, decreased strength and range of motion (may not be able to straighten knee) will be apparent and can also cause you to limp. You may also experience some bruising (ecchymosis) due to bleeding within the injured muscle.

Grade 3 (Severe) Hamstring Strains involve a complete tear (rupture) of your hamstring muscle fibers where your muscle belly attaches to your tendon or where your muscle belly rips in 2 separate pieces. It is very painful and rarer than the other strains. You will tend to experience a burning or stabbing pain, a lot of swelling and minimal strength, which may prevent you from walking without assistance or make it difficult for you to move your leg. Discoloration and widespread bruising in the injured area as a result of bleeding in the muscle tissue can also happen. You may also notice a break in your normal muscle outline that makes a gap under your skin where the muscle has come apart. This can be seen or felt with your hands and looks like a knotting of the muscle that produces a bulge.

The majority of hamstring strains are grade 1 or 2 strains that involve partial muscle or tendon tears that occur near the musculotendinous junction, where your hamstring tendon and muscle meet.


Should You Seek Medical Attention for a Hamstring Pull?

This is up to your discretion; however any continued discomfort in your hamstring should be investigated. If you continue to experience the hamstring injury symptoms and have tried the suggested conservative treatments for 2-3 weeks, it is recommended that you seek professional medical attention. It is recommended you seek immediate attention if you:

  • hear a "loud pop" in your muscle when injured
  • have immediate severe pain, swelling or discoloration in your hamstrings
  • experience severe weakness in your leg (compared to other leg) and have difficulty walking
  • have a temperature over 100.4° F (38° C)
  • notice blue toe nails, numbness or coldness below your injury


To learn how to treat a hamstring pull, go here to our treatments page.

Learn More About Leg Injuries & Treatments

I want to learn more about Surgery & Post-Surgery Recovery

I want to learn more about Deep Tissue Regeneration Therapy

I want to learn more about Ice & Heat: Which Is Better For Treatment?

I want to learn more about Stretching for the Hamstring

I want to learn more about Soft Tissue Injury Treatments


During your recovery, you will probably have to modify and/or eliminate any activities that cause pain or discomfort at the location of your soft tissue injury until the pain and inflammation settle. Always consult your doctor and/or Physical Therapist before using any of our outstanding products, to make sure they are right for you and your condition. The more diligent you are with your treatment and rehabilitation, the faster you will see successful results!


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There is a lot of information online
- but not all of it is factual. We spend hours per week doing the research... separating fact from fiction. We then present this information in an easy-to-read newsletter, generally sent once per month.


 
 
 
 

Hamstring Injury Facts:

Hamstring Muscles cross both your hip and knee, and help extend (straighten) the hip or bend the knee.


A Hamstring injury is an injury to one of the three different hamstring muscles in the back of the thigh.


The three Hamstring muscles name are: Biceps Femoris, Semitendinousus, Semimembranosus muscles.


Continually using your Hamstring muscles while injured will lead to a worse injury; and yes, it is difficult to avoid using the Hamstring.


Most Hamstring injuries happen while playing sports, such as soccer or football.


Once you have suffered one Hamstring injury, there is a very good chance you will suffer another Hamstring injury.

 

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